{"id":"https://openalex.org/W2328229481","doi":null,"title":"Electromagnetic circulatory forces and rotordynamic instability in electric machines","display_name":"Electromagnetic circulatory forces and rotordynamic instability in electric machines","publication_year":2002,"publication_date":"2002-01-01","ids":{"openalex":"https://openalex.org/W2328229481","mag":"2328229481"},"language":"en","primary_location":{"id":"mag:2328229481","doi":null,"is_oa":false,"landing_page_url":"http://lib.tkk.fi/Diss/2004/isbn9513864057/article1.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5013410364","display_name":"Timo Holopainen","orcid":"https://orcid.org/0000-0003-1417-6157","observed_orcids":["https://orcid.org/0000-0003-1417-6157"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Timo Holopainen","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-1417-6157","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044198629","display_name":"Asmo Tenhunen","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A. Tenhunen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5034169126","display_name":"Antero Arkkio","orcid":"https://orcid.org/0000-0002-0556-6412","observed_orcids":["https://orcid.org/0000-0002-0556-6412"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Antero Arkkio","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-0556-6412","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.7194,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.85416698,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10278","display_name":"Electric Motor Design and Analysis","score":0.6366999745368958,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10278","display_name":"Electric Motor Design and Analysis","score":0.6366999745368958,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11602","display_name":"Magnetic Bearings and Levitation Dynamics","score":0.12929999828338623,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12206","display_name":"Vibration and Dynamic Analysis","score":0.11940000206232071,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/rotordynamic-instability","display_name":"rotordynamic instability","score":0.8100000023841858},{"id":"https://openalex.org/keywords/electric-machines","display_name":"electric machines","score":0.7229999899864197},{"id":"https://openalex.org/keywords/electromagnetic-force","display_name":"electromagnetic force","score":0.6069999933242798},{"id":"https://openalex.org/keywords/electromechanical-interaction","display_name":"electromechanical interaction","score":0.7860000133514404},{"id":"https://openalex.org/keywords/jeffcott-rotor","display_name":"Jeffcott rotor","score":0.9240000247955322},{"id":"https://openalex.org/keywords/cross-coupled-stiffness","display_name":"cross-coupled stiffness","score":0.9800000190734863},{"id":"https://openalex.org/keywords/electric-motors","display_name":"electric motors","score":0.7540000081062317},{"id":"https://openalex.org/keywords/rotor-stator-interaction","display_name":"rotor-stator interaction","score":0.7149999737739563}],"concepts":[{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.6582415699958801},{"id":"https://openalex.org/C2779372316","wikidata":"https://www.wikidata.org/wiki/Q569057","display_name":"Stiffness","level":2,"score":0.6226896643638611},{"id":"https://openalex.org/C207821765","wikidata":"https://www.wikidata.org/wiki/Q405372","display_name":"Instability","level":2,"score":0.5835081338882446},{"id":"https://openalex.org/C2776529397","wikidata":"https://www.wikidata.org/wiki/Q190312","display_name":"Stator","level":2,"score":0.508248507976532},{"id":"https://openalex.org/C176871988","wikidata":"https://www.wikidata.org/wiki/Q72313","display_name":"Electric motor","level":2,"score":0.4756861925125122},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.47471797466278076},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.444646954536438},{"id":"https://openalex.org/C2777672618","wikidata":"https://www.wikidata.org/wiki/Q951504","display_name":"Electric machine","level":3,"score":0.4324483871459961},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3950343728065491},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3867921829223633},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.22156953811645508},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.175571471452713},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.14105388522148132},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2328229481","doi":null,"is_oa":false,"landing_page_url":"http://lib.tkk.fi/Diss/2004/isbn9513864057/article1.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W67125762","https://openalex.org/W275913273","https://openalex.org/W1565747971","https://openalex.org/W1590603323","https://openalex.org/W1593611483","https://openalex.org/W2170445529","https://openalex.org/W2315818397","https://openalex.org/W2913730401","https://openalex.org/W4238497389"],"related_works":["https://openalex.org/W2010069181","https://openalex.org/W2042092389","https://openalex.org/W2303157408","https://openalex.org/W1562110263","https://openalex.org/W4362737786","https://openalex.org/W87810556","https://openalex.org/W2611654023","https://openalex.org/W2088758530","https://openalex.org/W3189605451","https://openalex.org/W2774431848"],"abstract_inverted_index":{"The":[0,24,33,47,91,153,161],"electromechanical":[1,20,58],"interaction":[2,59,76],"in":[3,63,79,98,114,133,150],"electric":[4,64,99,115,151],"machines":[5],"induces":[6],"additional":[7,85],"forces":[8,35],"between":[9],"the":[10,30,50,55,67,75,80,106,121,137,147,174],"rotor":[11],"and":[12,88,95,143],"stator.":[13],"To":[14],"study":[15,51],"this":[16],"interaction,":[17],"a":[18,39,128,141,166],"simple":[19,40,144],"model":[21,42,139],"was":[22,27,52],"developed.":[23],"mechanical":[25],"behaviour":[26],"modelled":[28],"by":[29,38],"Jeffcott":[31],"rotor.":[32],"electromagnetic":[34,69],"were":[36],"described":[37],"parametric":[41],"including":[43],"two":[44],"electormagnetic":[45],"variables.":[46],"aim":[48],"of":[49,57,82,108,131,159],"to":[53],"investigate":[54],"effects":[56,97,107],"on":[60],"rotordynamic":[61,148],"instability":[62,132],"motors.":[65,116,152],"If":[66],"new":[68,142],"variables":[70],"are":[71,127],"interpreted":[72],"as":[73,84],"\u2018quasi-displacements\u2019,":[74],"turns":[77],"up":[78],"equations":[81],"motion":[83],"damping,":[86],"stiffness":[87,96,168],"circulatory":[89,109],"terms.":[90],"electromagnetically":[92],"induced":[93],"damping":[94],"motors":[100],"have":[101,111],"been":[102,112],"studied":[103],"previously.":[104],"However,":[105],"terms":[110,126],"overrided":[113],"It":[117],"is":[118],"well-known":[119],"that":[120],"circulatory,":[122],"i.e.":[123],"cross-coupled":[124],"stiffness,":[125],"major":[129],"source":[130,158],"rotating":[134],"machines.":[135],"Thus,":[136],"presented":[138],"offers":[140],"explanation":[145],"for":[146],"instabilty":[149],"numerical":[154],"examples":[155],"raised":[156],"another":[157],"instability.":[160],"system":[162,175],"parameters":[163],"may":[164],"yield":[165],"negative-definite":[167],"matrix":[169],"(symmetric":[170],"part),":[171],"which":[172],"destabilize":[173],"without":[176],"stabilizing":[177],"forces.":[178]},"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}